MX165549B - PROCEDURE FOR THE PREPARATION OF 1, 1, 1, 2-TETRAFLUOROMETHANE - Google Patents

PROCEDURE FOR THE PREPARATION OF 1, 1, 1, 2-TETRAFLUOROMETHANE

Info

Publication number
MX165549B
MX165549B MX016121A MX1612189A MX165549B MX 165549 B MX165549 B MX 165549B MX 016121 A MX016121 A MX 016121A MX 1612189 A MX1612189 A MX 1612189A MX 165549 B MX165549 B MX 165549B
Authority
MX
Mexico
Prior art keywords
preparation
tetrafluoromethane
procedure
tetrafluorochloroethane
tetrafluoroethane
Prior art date
Application number
MX016121A
Other languages
Spanish (es)
Inventor
Carl Stephen Kellner
Velliyur Nott Mallikarjuna Rao
Original Assignee
Du Pont
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Du Pont filed Critical Du Pont
Publication of MX165549B publication Critical patent/MX165549B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/23—Preparation of halogenated hydrocarbons by dehalogenation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C19/00—Acyclic saturated compounds containing halogen atoms
    • C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine

Abstract

La presente invención se refiere a un procedimiento para la preparación de 1, 1, 1, 2-tetrafluoroetano, caracterizado porque comprende poner en contacto 1, 1, 1, 2-tetrafluorocloroetano, en fase gaseosa a una temperatura desde 200 hasta 350 grados C, con H2 en presencia de un catalizador que consiste esencialmente de paladio sobre un soporte de fluoruro de aluminio o alúmina fluorada.The present invention relates to a process for the preparation of 1,1,1,2-tetrafluoroethane, characterized in that it comprises contacting 1,1,1,2-tetrafluorochloroethane, in the gas phase at a temperature from 200 to 350 degrees C , with H2 in the presence of a catalyst consisting essentially of palladium on a support of aluminum fluoride or fluorinated alumina.

MX016121A 1988-05-20 1989-05-19 PROCEDURE FOR THE PREPARATION OF 1, 1, 1, 2-TETRAFLUOROMETHANE MX165549B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/199,811 US4873381A (en) 1988-05-20 1988-05-20 Hydrodehalogenation of CF3 CHClF in the presence of supported Pd

Publications (1)

Publication Number Publication Date
MX165549B true MX165549B (en) 1992-11-19

Family

ID=22739128

Family Applications (1)

Application Number Title Priority Date Filing Date
MX016121A MX165549B (en) 1988-05-20 1989-05-19 PROCEDURE FOR THE PREPARATION OF 1, 1, 1, 2-TETRAFLUOROMETHANE

Country Status (15)

Country Link
US (1) US4873381A (en)
EP (1) EP0349115B1 (en)
JP (1) JPH0267235A (en)
KR (1) KR970011700B1 (en)
CN (1) CN1016418B (en)
AR (1) AR246503A1 (en)
AT (1) ATE92020T1 (en)
AU (1) AU613296B2 (en)
BR (1) BR8902297A (en)
DE (1) DE68907808T2 (en)
ES (1) ES2058523T3 (en)
IN (1) IN172056B (en)
MX (1) MX165549B (en)
SU (1) SU1757457A3 (en)
ZA (1) ZA893775B (en)

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GB8828544D0 (en) * 1988-12-07 1989-01-11 Ici Plc Chemical process
FR2641780B1 (en) * 1989-01-19 1991-04-19 Atochem SELECTIVE HYDROGENOLYSIS OF PERHALOGENATED ETHANE DERIVATIVES
US4980324A (en) * 1989-09-25 1990-12-25 E. I. Du Pont De Nemours And Company Regeneration or activation of noble metal catalysts using fluorohalocarbons or fluorohalohydrocarbons
US5094988A (en) * 1989-09-25 1992-03-10 E. I. Du Pont De Nemours And Company Activation of noble metal catalysts using fluorohalocarbons or fluorohalohydrocarbons
DE4004494A1 (en) * 1990-02-14 1991-08-22 Bayer Ag METHOD FOR PRODUCING SATURATED, FLUORINE AND CHLORINE-FREE HYDROCARBONS
DE4004495A1 (en) * 1990-02-14 1991-08-22 Bayer Ag METHOD FOR PRODUCING 1,1,1,3,3,3-HEXAFLUORPROPANE AND 2-CHLORINE-1,1,1,3,3,3-HEXAFLUORPROPANE
US5202510A (en) * 1990-05-22 1993-04-13 E. I. Du Pont De Nemours And Company Activation of noble metal catalysts for use in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen
US5057470A (en) * 1990-05-22 1991-10-15 E. I. Du Pont De Nemours And Company Regeneration of noble metal catalysts used in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen
US5030372A (en) * 1990-07-31 1991-07-09 E. I. Du Pont De Nemours And Company Catalytic equilibration to improve the relative yield of selected halocarbons
FR2674521B1 (en) * 1991-03-27 1994-05-06 Atochem PREPARATION OF PENTAFLUOROETHANE BY HYDROGENOLYSIS OF CHLOROPENTAFLUOROETHANE.
US5463152A (en) * 1994-12-08 1995-10-31 E. I. Du Pont De Nemours And Company Halofluorocarbon hydrogenolysis
US5750809A (en) * 1993-03-05 1998-05-12 Daikin Industries Ltd. Methods of producing 1,1,1,2,2-pentafluoroethane
BE1007822A5 (en) * 1993-12-10 1995-10-31 Solvay SUPPORT FOR CATALYST hydrogenate ION SYSTEM INCLUDING THE CATALYST SUPPORT AND METHOD OF hydrodechlorination chlorofluorocarbons.
US5481051A (en) * 1994-12-08 1996-01-02 E. I. Du Pont De Nemours And Company 2,2-dichlorohexafluoropropane hydrogenolysis
US6291729B1 (en) 1994-12-08 2001-09-18 E. I. Du Pont De Nemours And Company Halofluorocarbon hydrogenolysis
FR2733976B1 (en) * 1995-05-10 1997-06-20 Atochem Elf Sa PURIFICATION OF PENTAFLUOROETHANE
CN1048280C (en) * 1995-06-24 2000-01-12 青岛大学 Process for preparing marine alga wine
FR2752836B1 (en) * 1996-08-30 1998-10-30 Atochem Elf Sa PURIFICATION OF PENTAFLUOROETHANE
CN1081083C (en) * 1996-11-22 2002-03-20 大连理工大学 Quick catalytic dechlorination of poly-chloro-organocompound in water using zero-valence Fe and pd catalyst
FR2787107B1 (en) 1998-12-11 2003-11-14 Rhodia Chimie Sa SELECTIVE HYDROGENODESHALOGENATION PROCESS
JP3904823B2 (en) 2000-02-22 2007-04-11 セントラル硝子株式会社 Method for producing 1,1,1-trifluoroacetone
US7329786B2 (en) 2001-09-28 2008-02-12 Great Lakes Chemical Corporation Processes for producing CF3CFHCF3
ITMI20021734A1 (en) * 2002-08-01 2004-02-02 Ausimont S P A Ora Solvay Solexis Spa PROCESS FOR THE PREPARATION OF PERFLUOROPOLYETERS WITH ALDEHYDIC, ALCOHOLIC, AMINE TERMINALS THROUGH CATALYTIC REDUCTION.
ITMI20021733A1 (en) * 2002-08-01 2004-02-02 Ausimont S P A Ora Solvay Solexis Spa PROCESS FOR THE PREPARATION OF ACYL-FLUORIDE PERFLUOROPOLYETERS FINISHED FOR REDUCTION OF THE CORRESPONDING PEROXIDIC PERFLUOROPOLYETERS.
US7223351B2 (en) 2003-04-17 2007-05-29 Great Lakes Chemical Corporation Fire extinguishing mixtures, methods and systems
US20050038302A1 (en) 2003-08-13 2005-02-17 Hedrick Vicki E. Systems and methods for producing fluorocarbons
CN1325158C (en) * 2004-05-28 2007-07-11 中国石油化工股份有限公司 Preparation method of hydrogen oxidative catalyst in ethylbenzene dehydrogenation process
US20060021283A1 (en) * 2004-07-01 2006-02-02 Schultz Steven E Spring balance assembly
CN100415701C (en) * 2005-07-26 2008-09-03 山东东岳氟硅材料有限公司 Method of preparing chloroform by carbon tetrachloride gaseous phase hydrogenation and dechlorination
US8263816B2 (en) 2006-06-27 2012-09-11 E I Du Pont De Nemours And Company 1,2,3,3,3-Pentafluoropropene production processes
CN101591218B (en) * 2009-07-07 2013-05-01 北京宇极科技发展有限公司 Method for synthesizing 1,1,2,2-tetrafluoroethane
US8158549B2 (en) 2009-09-04 2012-04-17 Honeywell International Inc. Catalysts for fluoroolefins hydrogenation
JP5817591B2 (en) * 2012-03-01 2015-11-18 旭硝子株式会社 Method for producing 2,3,3,3-tetrafluoropropene
CN109046335A (en) * 2018-07-09 2018-12-21 浙江巨化技术中心有限公司 A kind of preparation method synthesizing 1,1,2,2- tetrafluoroethane catalyst

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US2942036A (en) * 1957-12-13 1960-06-21 Allied Chem Manufacture of halopropane
US3505417A (en) * 1966-10-05 1970-04-07 Phillips Petroleum Co Dehalogenation of fluorohalocarbons
US3439052A (en) * 1967-10-23 1969-04-15 Phillips Petroleum Co Fluoroform production
US3636173A (en) * 1969-07-28 1972-01-18 Phillips Petroleum Co Hydrodehalogenation process and catalyst
GB1578933A (en) * 1977-05-24 1980-11-12 Ici Ltd Manufacture of halogenated hydrocarbons
DE3009760A1 (en) * 1980-03-14 1981-09-24 Hoechst Ag, 6000 Frankfurt METHOD FOR PRODUCING HIGH PURITY PARTLY FLUORINATED AETHANES
IT1186307B (en) * 1985-06-10 1987-11-26 Montefluos Spa PROCEDURE FOR THE PREPARATION OF 1,2-DIFLUOROETHYLENE AND 1-CHLORO-1,2-DIFLUORO-ETHYLENE
CA1310335C (en) * 1988-02-12 1992-11-17 Leo E. Manzer Gas-phase fluorination process
IN172054B (en) * 1988-02-24 1993-03-27 Du Pont
EP0366404B1 (en) * 1988-10-25 1993-01-20 E.I. Du Pont De Nemours And Company Improved process for the preparation of 1,1,1,2-tetrafluoroethane

Also Published As

Publication number Publication date
CN1016418B (en) 1992-04-29
US4873381A (en) 1989-10-10
ES2058523T3 (en) 1994-11-01
SU1757457A3 (en) 1992-08-23
ZA893775B (en) 1991-01-30
AR246503A1 (en) 1994-08-31
AU3488989A (en) 1989-11-23
DE68907808D1 (en) 1993-09-02
KR890017212A (en) 1989-12-15
ATE92020T1 (en) 1993-08-15
AU613296B2 (en) 1991-07-25
IN172056B (en) 1993-03-27
JPH0267235A (en) 1990-03-07
EP0349115B1 (en) 1993-07-28
EP0349115A1 (en) 1990-01-03
KR970011700B1 (en) 1997-07-14
CN1038634A (en) 1990-01-10
DE68907808T2 (en) 1994-01-27
BR8902297A (en) 1990-01-09

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